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RFCT-10 manual

Transmitter for wireless clock system

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Содержание RFCT-10

Страница 1: ...RFCT 10 manual Transmitter for wireless clock system ...

Страница 2: ...etup 4 2 2 Setup 4 3 Operation 6 3 1 Operation details 6 3 2 GPS Operation 8 3 3 SNTP Operation 9 4 Monitoring using PC 10 4 1 Preparation 10 4 2 Command 11 5 LCD Menu using key pad 17 5 1 Status 17 5 2 Time 17 5 3 Reference 18 5 4 Radio Frequency 19 5 5 Init LCD 20 ...

Страница 3: ...reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an...

Страница 4: ...ime to remote wireless clocks time receiver of our company As a result all the wireless clocks are synchronized to the exact time This time synchronization system is ideal for schools universities hospitals and other applications in synchronizing time Ethernet Transmitter RFCT 10 GPS Satellite Wireless Clock GPS Receiver Figure 1 2 Input output and in out ports are described as follows Input port ...

Страница 5: ...CD Accessory AC DC Adaptor input 100 240VAC output 9VDC 1 5A GPS Antenna GPS18LVC Figure 1 3 shows the input output and in output connection RFCT Transmitter GPS Ant NTP Server RS232 Ethernet PC RS232 AC DC Adaptor Input 110 220V AC Output 9V DC FM 72 1MHz 72 4MHz 30dBm 1W max Monitor port connector only when being monitored GPS port Ethernet port Monitor Port Figure 1 2 ...

Страница 6: ...2MHz Narrow Band FM Modulator Power Amplifier GPS Receiver Port Ethernet Port LCD LED PC Monitor port for connecting network time server NTP Server DC DC Block 5V 3 3V 7V Keypads ethernet RS232 RS232 TTL TTL TTL NTP Server internet GPS Antenna Data 72MHz 110 220V 9VDC AC DC Adaptor 9V Figure 1 4 ...

Страница 7: ...ory buildings locating the transmitter on the top floor will often significantly improve coverage for the lower floors due to the umbrella pattern of transmission The GPS antenna needs a clear view of the sky to receive the GPS signal Only the cable permanently attached to the GPS unit may be used outdoors then additional cable is required the connection must be sealed with Radio Shack coaxial Cab...

Страница 8: ...5 7 RFCT 10 setup is complete ...

Страница 9: ...l are depends on one watt FM signal at approximately 72 2 MHz The transmitter continually monitors the GPS unit and the transmitter s internal clock is updated every time the transmitter received data from the GPS unit 3 1 Operation details 3 1 1 Start up After initial power up LEDs REF Alarm and Fault will go off and LCD will display as below The simplest way to be sure transmitter is running pro...

Страница 10: ... pushing Enter button Push Menu button 2 2 Local Min Sing Backspace Min 0 Type in local minute offset followed by pushing Enter button 3 1 4 Daylight Saving Setup Move first to the screen 2 Time followed by pushing Enter button Then keep pushing the Menu button until you see 2 3 Daylight saving screen 2 3 Daylight Saving Dot Backspace Start m d h 4 2 2 Type in start date of Daylight Saving followe...

Страница 11: ... Then keep pushing the Menu button until you see 4 2 Attenuator screen 4 2 Attenuator Backspace Range 0 31 Attenuator 0 Type in desired attenuator value followed by pushing Enter button 3 2 GPS Operation 3 2 1 Confirm the GPS Receiver Operation Current GPS status information including positioning mode number of satellites in tracking DOP Dilution of Precision and leap second is available on the 3 ...

Страница 12: ...9 3 3 SNTP Operation Not available for the time being ...

Страница 13: ...ction Connect the serial cable from the COM port of your computer Connect the other end of cable to the MONITOR PORT on the rear of the transmitter Start a Hyper terminal session or any other terminal program in your favor on COM port with the following settings Bits per second 115200 Data bits 8 Parity None Stop bits 1 Flow control None ...

Страница 14: ...nd description Example Oct 26 23 56 37 1 help PS Displays process status Oct 26 2 47 9 Local time Tasks Current number of tasks running CPU Usage Running Time Running time since the last power on Example Oct 26 23 56 37 1 ps Oct 26 23 56 37 1 C ...

Страница 15: ...The time the differential factors such as local time offset and daylight saving are applied to UTC Example Oct 26 23 56 37 1 date ANT Displays NMEA input from GPS Receiver 02 114 Received second millisecond NMEA NMEA information Example Oct 26 23 56 37 1 ant Oct 26 23 56 37 1 C ...

Страница 16: ...ned L Lost N Null ROM checksum test P F Receiver failure discrete P F Stored data lost R L Real time clock lost R L Oscillator drift discrete P F Data collection discrete C N GPS sensor configuration data R L Baudrate 1PPS 1PPS enable status pulse width Ver software version Time Local Time Information Time Year Month Day Hour Minute Second ...

Страница 17: ...ioning mode Visible Number of satellites in view PRN Satellite ID number E L Elevation A Z Azimuth N R Noise Ratio Position Position information Lat Latitude Lon Longitude HEI Height DOP Dilution of Precision Position Example Oct 26 23 56 37 1 gps Oct 26 23 56 37 1 C SNTP Displays SNTP status Example Oct 26 23 56 37 1 sntp Oct 26 23 56 37 1 C ...

Страница 18: ...15 PPS Displays 1PPS input Example Oct 26 23 56 37 1 pps Oct 26 23 56 37 1 C IP Setup and displays IP addresses NET Current Network status ...

Страница 19: ...16 Example Oct 26 23 56 37 1 net RST Reboot system Example Oct 26 23 56 37 1 rst System Soft Reset Oct 26 23 56 37 1 rst c System Config Reset C Abort Current Command Z X Command History ...

Страница 20: ... pad 5 1 Status Displays current status of RFCT 10 1 Status GPS 3D Fix Channel 0 2006 Oct 26 02 39 12 Thu DLS ON 5 2 Time Displays time related settings of RFCT 10 2 Time 2006 Oct 26 02 39 12 Thu Local Offset 6hr 45min DLS ON ...

Страница 21: ...Saving End Displays or sets date of daylight saving end 5 3 Reference Displays reference related status of RFCT 10 3 Reference GPS 3D Fix Sat 6 12 DOP 2 LS 14s 5 3 1 Local IP Displays or sets local IP address 2 1 Local Hour Sing Backspace Hour 6 2 2 Local Min Sing Backspace Min 45 2 3 Daylight Saving Dot Backspace Start m d h 4 2 2 2 4 Daylight Saving Dot Backspace End m d h 10 29 2 ...

Страница 22: ...ess 5 3 5 Reference Source Displays or sets reference source 5 4 Radio Frequency Displays RF related settings of RFCT 10 4 Radio Frequency ON Channel 0 Attenuator 0 3 1 Local IP Dot Backspace 192 168 0 3 3 2 Gateway IP Dot Backspace 192 168 0 1 3 3 DNS IP Dot Backspace 192 168 0 2 3 4 SNTP Servers Dot Backspace time nist gov 3 5 Reference Source GPS 1 SNTP 2 GPS ...

Страница 23: ...hannel Displays or sets RF channel 5 4 2 Attenuator Displays or sets attenuator value 5 5 Init LCD Normalize LCD screen 4 1 Channel Backspace Range 0 15 Channel 0 4 2 Attenuator Backspace Range 0 31 Attenuator 0 ...

Страница 24: ...z Key pad 4x4 array Display LED 4 LCD 1 Dimensions 17 L x 1 7 8 W x 12 D Transmitting antenna Monopole 46 Power supply 9VDC 1 5A max AC DC Adaptor input 100 240VAC output 9VDC 1 5A Operating temperature range 0 70 GPS receiver input DB9 1PPS LVTTL TX RS232 RX RS232 PC monitoring port DB9 RS232 Ethernet port RJ45 10BaseT Transmission interval 1 per sec ...

Страница 25: ...RANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE CONSEQUENTIAL OR INCIDENTAL DAMAGES MERCHANTABILITY OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT HANYANGNAVICOM FURTHER DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION TEXT GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS HANYANGNAVICOM SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENT...

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